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Solution to Bravia sec B worksheet 29

Question 1: Write the full form of the following:
a) USB
b) HDMI
c) CRT

a) USB: Universal Serial Bus
b) HDMI: High Definition Multimedia Interface
c) CRT: Cathode Ray Tube

Question 2: State True or False
a) CRT displays are heavier than LCD displays.
b) USB 2.0 supports data transfer up to 480 Mbps.
c) HDMI is an analog video interface.

a) True
b) True
c) False

Explanation:

a) CRT displays are heavier than LCD displays as they are bulky and require a lot of space for their functioning, whereas LCD displays are sleek and lightweight.
b) USB 2.0 supports data transfer up to 480 Mbps, which is faster than USB 1.0 and USB 1.1.
c) HDMI is a digital video interface and not an analog video interface.

Question 3: Fill in the blanks
a) USB stands for _____________.
b) HDMI can transmit _____________.
c) Resolution of CRT displays is measured in _____________.

a) USB stands for Universal Serial Bus.
b) HDMI can transmit audio and video signals.
c) Resolution of CRT displays is measured in pixels.

Explanation:

a) USB stands for Universal Serial Bus, which is a standard interface for connecting devices to a computer.
b) HDMI can transmit audio and video signals simultaneously, making it a popular interface for connecting devices to HDTVs.
c) Resolution of CRT displays is measured in pixels, which determines the clarity and sharpness of the image displayed on the screen.

Question 4: Match the following
a) USB 1.1 i) Data transfer up to 12 Mbps
b) HDMI ii) Digital video interface
c) CRT iii) Bulk and heavy display

a) USB 1.1 i) Data transfer up to 12 Mbps
b) HDMI ii) Digital video interface
c) CRT iii) Bulk and heavy display

Explanation:

a) USB 1.1 supports data transfer up to 12 Mbps.
b) HDMI is a digital video interface for transmitting audio and video signals.
c) CRT displays are bulky and heavy, making them less popular in modern times.

Overall, this worksheet aims to test the basic knowledge of the students about different types of display technologies and interfaces used in modern devices. It covers topics such as USB, HDMI, and CRT displays and their respective features.